| Invermere (AA8) | Invermere | BC | King County International Boeing Field to Invermere |
| Valemount (AH4) | Valemount | BC | King County International Boeing Field to Valemount |
| Ashland Municipal-Sumner Parker Field (AHM) | Ashland | OR | King County International Boeing Field to Ashland Municipal-Sumner Parker Field |
| Walla Walla Regional (ALW) | Walla Walla | WA | King County International Boeing Field to Walla Walla Regional |
| Nakusp (AQ5) | Nakusp | BC | King County International Boeing Field to Nakusp |
| Astoria Regional (AST) | Astoria | OR | King County International Boeing Field to Astoria Regional |
| Oliver (AU3) | Oliver | BC | King County International Boeing Field to Oliver |
| Cache Creek (AZ5) | Cache-Creek | BC | King County International Boeing Field to Cache Creek |
| Bandon State (BDY) | Bandon | OR | King County International Boeing Field to Bandon State |
| Echo Valley (BJ4) | Echo Valley | BC | King County International Boeing Field to Echo Valley |
| Baker City Municipal (BKE) | Baker City | OR | King County International Boeing Field to Baker City Municipal |
| Bellingham International (BLI) | Bellingham | WA | King County International Boeing Field to Bellingham International |
| Burns Municipal (BNO) | Burns | OR | King County International Boeing Field to Burns Municipal |
| Boise Air Terminal Gowen Field (BOI) | Boise | ID | King County International Boeing Field to Boise Air Terminal Gowen Field |
| Brookings Airport (BOK) | Brookings | OR | King County International Boeing Field to Brookings Airport |
| Kaslo (BR2) | Kaslo | BC | King County International Boeing Field to Kaslo |
| Creston Valley Regional (CFQ) | Creston | BC | King County International Boeing Field to Creston Valley Regional |
| Chiloquin State (CHZ) | Chiloquin | OR | King County International Boeing Field to Chiloquin State |
| William R Fairchild International (CLM) | Port Angeles | WA | King County International Boeing Field to William R Fairchild International |
| Chehalis-Centralia (CLS) | Chehalis | WA | King County International Boeing Field to Chehalis-Centralia |
| Coeur D'alene/Pappy Boyington Field (COE) | Coeur D'Alene | ID | King County International Boeing Field to Coeur D'alene/Pappy Boyington Field |
| Corvallis Municipal (CVO) | Corvallis | OR | King County International Boeing Field to Corvallis Municipal |
| Douglas Lake (DGF) | Douglas Lake | BC | King County International Boeing Field to Douglas Lake |
| The Dalles Municipal/Columbia Gorge Regional (DLS) | The Dalles | OR | King County International Boeing Field to The Dalles Municipal/Columbia Gorge Regional |
| Pangborn Memorial (EAT) | Wenatchee | WA | King County International Boeing Field to Pangborn Memorial |
| Bowers Field (ELN) | Ellensburg | WA | King County International Boeing Field to Bowers Field |
| Ephrata Municipal (EPH) | Ephrata | WA | King County International Boeing Field to Ephrata Municipal |
| Orcas Island Airport (ESD) | Eastsound | WA | King County International Boeing Field to Orcas Island Airport |
| Mahlon Sweet Field (EUG) | Eugene | OR | King County International Boeing Field to Mahlon Sweet Field |
| Glacier Park International (FCA) | Kalispell | MT | King County International Boeing Field to Glacier Park International |
| Friday Harbor (FRD) | Friday Harbor | WA | King County International Boeing Field to Friday Harbor |
| Grand Coulee Dam (GCD) | Electric City | WA | King County International Boeing Field to Grand Coulee Dam |
| Spokane International (GEG) | Spokane | WA | King County International Boeing Field to Spokane International |
| Gold Beach Municipal (GOL) | Gold Beach | OR | King County International Boeing Field to Gold Beach Municipal |
| Grants Pass (GTP) | Grants Pass | OR | King County International Boeing Field to Grants Pass |
| Hermiston Municipal (HES) | Hermiston | OR | King County International Boeing Field to Hermiston Municipal |
| Portland/Hillsboro (HIO) | Portland | OR | King County International Boeing Field to Portland/Hillsboro |
| Bowerman (HQM) | Hoquiam | WA | King County International Boeing Field to Bowerman |
| Cascade (ICS) | Cascade | ID | King County International Boeing Field to Cascade |
| Grant County Regional/Ogilvie Field (JDA) | John Day | OR | King County International Boeing Field to Grant County Regional/Ogilvie Field |
| Southwest Washington Regional (KLS) | Kelso | WA | King County International Boeing Field to Southwest Washington Regional |
| La Grande/Union County (LGD) | La Grande | OR | King County International Boeing Field to La Grande/Union County |
| Lake County (LKV) | Lakeview | OR | King County International Boeing Field to Lake County |
| Crater Lake-Klamath Regional (LMT) | Klamath Falls | OR | King County International Boeing Field to Crater Lake-Klamath Regional |
| Lopez Island Airport (LPS) | Lopez | WA | King County International Boeing Field to Lopez Island Airport |
| Lewiston-Nez Perce County (LWS) | Lewiston | ID | King County International Boeing Field to Lewiston-Nez Perce County |
| Madras Municipal (MDJ) | Madras | OR | King County International Boeing Field to Madras Municipal |
| Medford/Rogue Valley International (MFR) | Medford | OR | King County International Boeing Field to Medford/Rogue Valley International |
| Missoula International (MSO) | Missoula | MT | King County International Boeing Field to Missoula International |
| Skagit Regional (MVW) | Burlington | WA | King County International Boeing Field to Skagit Regional |
| Grant County International (MWH) | Moses Lake | WA | King County International Boeing Field to Grant County International |
| Mccall Municipal (MYL) | Mc Call | ID | King County International Boeing Field to Mccall Municipal |
| Aj Eisenberg (ODW) | Oak Harbor | WA | King County International Boeing Field to Aj Eisenberg |
| Olympia Regional (OLM) | Olympia | WA | King County International Boeing Field to Olympia Regional |
| Omak (OMK) | Omak | WA | King County International Boeing Field to Omak |
| Ontario Municipal (ONO) | Ontario | OR | King County International Boeing Field to Ontario Municipal |
| Newport Municipal (ONP) | Newport | OR | King County International Boeing Field to Newport Municipal |
| Southwest Oregon Regional (OTH) | North Bend | OR | King County International Boeing Field to Southwest Oregon Regional |
| Tillamook (OTK) | Tillamook | OR | King County International Boeing Field to Tillamook |
| Anacortes (OTS) | Anacortes | WA | King County International Boeing Field to Anacortes |
| Eastern Oregon Regional Pendleton (PDT) | Pendleton | OR | King County International Boeing Field to Eastern Oregon Regional Pendleton |
| Portland International (PDX) | Portland | OR | King County International Boeing Field to Portland International |
| Prineville (PRZ) | Prineville | OR | King County International Boeing Field to Prineville |
| Tri-Cities (PSC) | Pasco | WA | King County International Boeing Field to Tri-Cities |
| Pullman/Moscow Regional (PUW) | Pullman | WA | King County International Boeing Field to Pullman/Moscow Regional |
| Bella Coola (QBC) | Bella Coola | BC | King County International Boeing Field to Bella Coola |
| Roseburg Regional (RBG) | Roseburg | OR | King County International Boeing Field to Roseburg Regional |
| Roberts Field (RDM) | Redmond | OR | King County International Boeing Field to Roberts Field |
| Richland (RLD) | Richland | WA | King County International Boeing Field to Richland |
| Felts Field (SFF) | Spokane | WA | King County International Boeing Field to Felts Field |
| Sanderson Field (SHN) | Shelton | WA | King County International Boeing Field to Sanderson Field |
| Siskiyou County (SIY) | Montague | CA | King County International Boeing Field to Siskiyou County |
| Salem Municipal/Mcnary Field (SLE) | Salem | OR | King County International Boeing Field to Salem Municipal/Mcnary Field |
| Sequim Valley (SQV) | Sequim | WA | King County International Boeing Field to Sequim Valley |
| Sunriver (SUO) | Sunriver | OR | King County International Boeing Field to Sunriver |
| Ed Carlson Memorial Field - South Lewis County (TDO) | Toledo | WA | King County International Boeing Field to Ed Carlson Memorial Field - South Lewis County |
| Portland/Troutdale (TTD) | Portland | OR | King County International Boeing Field to Portland/Troutdale |
| Jefferson County International (TWD) | Port Townsend | WA | King County International Boeing Field to Jefferson County International |
| Quillayute (UIL) | Quillayute | WA | King County International Boeing Field to Quillayute |
| Pincher Creek (WPC) | Pincher Creek | AB | King County International Boeing Field to Pincher Creek |
| Qualicum Beach (XQU) | Qualicum Beach | BC | King County International Boeing Field to Qualicum Beach |
| Anahim Lake (YAA) | Anahim Lake | BC | King County International Boeing Field to Anahim Lake |
| Alert Bay (YAL) | Alert Bay | | King County International Boeing Field to Alert Bay |
| Tofino (YAZ) | Tofino | BC | King County International Boeing Field to Tofino |
| Campbell River (YBL) | Campbell River | BC | King County International Boeing Field to Campbell River |
| Nanaimo (YCD) | Nanaimo | BC | King County International Boeing Field to Nanaimo |
| West Kootenay Regional (YCG) | Castlegar | BC | King County International Boeing Field to West Kootenay Regional |
| Blue River (YCP) | Blue River | BC | King County International Boeing Field to Blue River |
| Chilliwack (YCW) | Chilliwack | BC | King County International Boeing Field to Chilliwack |
| Fairmont Hot Springs (YCZ) | Fairmont Hot Springs | BC | King County International Boeing Field to Fairmont Hot Springs |
| Princeton Regional (YDC) | Princeton | BC | King County International Boeing Field to Princeton Regional |
| Texada Gillies Bay (YGB) | Texada Gillies Bay | BC | King County International Boeing Field to Texada Gillies Bay |
| Golden (YGE) | Golden | BC | King County International Boeing Field to Golden |
| Kamloops (YKA) | Kamloops | BC | King County International Boeing Field to Kamloops |
| Yakima Air Terminal/Mcallister Field (YKM) | Yakima | WA | King County International Boeing Field to Yakima Air Terminal/Mcallister Field |
| Lillooet (YLI) | Lillooet | BC | King County International Boeing Field to Lillooet |
| Kelowna International (YLW) | Kelowna | BC | King County International Boeing Field to Kelowna International |
| Merritt (YMB) | Merritt | BC | King County International Boeing Field to Merritt |
| Alberni Valley Regional/Port Alberni (YPB) | Port Alberni | BC | King County International Boeing Field to Alberni Valley Regional/Port Alberni |
| Pitt Meadows Regional (YPK) | Pitt Meadows | BC | King County International Boeing Field to Pitt Meadows Regional |
| Puntzi Mountain (YPU) | Puntzi Mountain | BC | King County International Boeing Field to Puntzi Mountain |
| Powell River (YPW) | Powell River | BC | King County International Boeing Field to Powell River |
| Comox (YQQ) | Comox | BC | King County International Boeing Field to Comox |
| Quesnel (YQZ) | Quesnel | BC | King County International Boeing Field to Quesnel |
| Revelstoke (YRV) | Revelstoke | BC | King County International Boeing Field to Revelstoke |
| Squamish (YSE) | Squamish | | King County International Boeing Field to Squamish |
| Shuswap Regional (YSN) | Salmon Arm | BC | King County International Boeing Field to Shuswap Regional |
| Sparwood Elk Valley (YSW) | Sparwood | BC | King County International Boeing Field to Sparwood Elk Valley |
| Vernon (YVE) | Vernon | BC | King County International Boeing Field to Vernon |
| Vancouver International (YVR) | Vancouver | BC | King County International Boeing Field to Vancouver International |
| Williams Lake (YWL) | Williams Lake | BC | King County International Boeing Field to Williams Lake |
| Canadian Rockies/Cranbrook Intl (YXC) | Cranbrook | BC | King County International Boeing Field to Canadian Rockies/Cranbrook Intl |
| Abbotsford International (YXX) | Abbotsford | BC | King County International Boeing Field to Abbotsford International |
| Penticton Regional (YYF) | Penticton | BC | King County International Boeing Field to Penticton Regional |
| Victoria International (YYJ) | Victoria | BC | King County International Boeing Field to Victoria International |
| Port Hardy (YZT) | Port Hardy | BC | King County International Boeing Field to Port Hardy |
| Trail (YZZ) | Trail | BC | King County International Boeing Field to Trail |
| Grand Forks (ZGF) | Grand Forks | BC | King County International Boeing Field to Grand Forks |
| South Cariboo Regional (ZMH) | One Zero Eight Mile | BC | King County International Boeing Field to South Cariboo Regional |
| Nelson (ZNL) | Nelson | BC | King County International Boeing Field to Nelson |
